Their body language in Mexico proves the relationship has moved to a new level of commitment — so cute!

Justin, 17, and Selena, 19, were spotted in Los Cabos, Mexico on Dec. 9, enjoying the beautiful weather and each other’s company. They are so perfect together — a match made in heaven!

Body language expert Dr. Lillian Glass tells HollywoodLife.com EXCLUSIVELY that the bond between these two is VERY intense.

“They are free with their bodies and feel very comfortable and relaxed around one another,” Dr. Glass says. “They are totally in lusty love and they appear to have reached a new level to their relationship. All this baby daddy drama has clearly bonded them!”

What do YOU think, HollywoodLifers — will Justin and Selena be together forever?